APRILIA M192M Workshop Manual page 26

ENGINE
3.1. TRANSMISSION ............................................................................................................................................. 4
3.1.1. TRANSMISSION COVER ...................................................................................................................... 4
3.1.2. FAN GUARD .......................................................................................................................................... 5
3.1.3. REMOVING THE INTAKE VENT ........................................................................................................... 6
3.1.4. DRIVEN PULLEY SHAFT BEARING ..................................................................................................... 7
3.1.5. INSTALLING THE DRIVEN PULLEY SHAFT BEARING ....................................................................... 8
3.1.6. BELT ROLLER (ENGINES M234M / M282M) (200 CC) ........................................................................ 9
3.1.7. REMOVING THE DRIVING PULLEY ................................................................................................... 10
3.1.8. REMOVING THE DRIVING PULLEY FROM THE ENGINE................................................................. 11
3.1.9. CLUTCH HOUSING ............................................................................................................................. 12
3.1.10. REMOVING THE CLUTCH .................................................................................................................. 13
3.1.11. PIN COLLAR........................................................................................................................................ 14
3.1.12. FIXED DRIVEN HALF PULLEY BEARINGS........................................................................................ 15
3.1.13. FIXED DRIVEN HALF PULLEY ........................................................................................................... 16
3.1.14. MOVABLE DRIVEN HALF PULLEY .................................................................................................... 17
3.1.15. INSTALLING FIXED DRIVEN HALF PULLEY BEARINGS .................................................................. 18
3.1.16. ASSEMBLING THE DRIVEN PULLEY................................................................................................. 19
3.1.17. SPRING ............................................................................................................................................... 20
3.1.18. CLUTCH WEIGHTS ............................................................................................................................. 21
3.1.19. INSTALLING THE CLUTCH................................................................................................................. 22
3.1.20. DRIVE BELT ........................................................................................................................................ 23
3.1.21. MOVABLE DRIVING HALF PULLEY ................................................................................................... 24
3.1.22. INSTALLING THE FIXED DRIVING HALF PULLEY (ENGINES M234M / M282M) (200 CC) ............. 25
3.1.23. INSTALLING MOVABLE HALF PULLEY AND BUSHING ................................................................... 26
3.1.24. INSTALLING THE FIXED DRIVING HALF PULLEY (ENGINES M192M / M245M / M281M /M191M)
(125 - 150 CC) ..................................................................................................................................... 27
3.1.25. INSTALLING THE CLUTCH HOUSING ............................................................................................... 28
3.1.26. FITTING THE TRANSMISSION COVER ............................................................................................. 29
3.1.27. REAR HUB........................................................................................................................................... 30
3.1.28. REMOVING THE WHEEL SHAFT ....................................................................................................... 31
3.1.29. HUB CASE BEARINGS ....................................................................................................................... 32
3.1.30. REMOVING THE WHEEL SHAFT BEARING FROM THE COVER..................................................... 33
3.1.31. REMOVING THE DRIVEN PULLEY SHAFT........................................................................................ 34
3.1.32. INSTALLING HUB CASE BEARINGS.................................................................................................. 35
3.1.33. INSTALLING THE DRIVEN PULLEY SHAFT BEARING ..................................................................... 36
3.1.34. CHECKING HUB COVER .................................................................................................................... 37
3.1.35. INSTALLING THE WHEEL SHAFT BEARING IN THE COVER .......................................................... 38
3.1.36. CHECKING HUB SHAFTS................................................................................................................... 39
3.1.37. INSTALLING HUB GEARS .................................................................................................................. 40
3.1.38. FITTING THE HUB COVER................................................................................................................. 41
3.2. FLYWHEEL ................................................................................................................................................... 42
3.2.1. REMOVING THE COMPLETE FLYWHEEL COVER (ENGINES M245M / M281M / M234M /M282M)
(125 - 200 CC) ..................................................................................................................................... 42
3.2.2. REMOVING THE FLYWHEEL ............................................................................................................. 43
3.2.3. REMOVING THE STATOR .................................................................................................................. 44
3.2.4. CHECKING THE STATOR................................................................................................................... 45
3.2.5. CHECKING THE FLYWHEEL.............................................................................................................. 46
3.2.6. INSTALLING THE STATOR ASSEMBLY ............................................................................................ 47
3.2.7. INSTALLING THE FLYWHEEL............................................................................................................ 48
3.2.8. FITTING THE COMPLETE FLYWHEEL COVER (ENGINES M245M / M281M / M234M /M282M) (125
- 200 CC).............................................................................................................................................. 49
3.3. LUBRICATION............................................................................................................................................... 50
3.3.1. CHECKING THE OIL PRESSURE....................................................................................................... 50
3.3.2. REMOVING THE OIL SUMP AND THE PRESSURE-ADJUSTING BY-PASS .................................... 51
3.3.3. CHECKING THE BY-PASS.................................................................................................................. 52
3.3.4. REMOVAL OF THE CHAINS HOUSING COVER (ENGINES M245M / M281M / M191M) (125 - 150
CC)....................................................................................................................................................... 53
3.3.5. DISASSEMBLY OF THE CHAINS HOUSING COVER (ENGINES M192M / M234M / M282M) (125 -
200 CC)................................................................................................................................................ 54
3.3.6. REMOVING THE OIL PUMP ............................................................................................................... 55
3.3.7. CHECKING THE OIL PUMP ................................................................................................................ 56
3.3.8. ASSEMBLING THE OIL PUMP............................................................................................................ 58
3.3.9. ASSEMBLY OF THE CHAINS HOUSING COVER (ENGINES M192M / M234M / M282M) (125 - 200
CC)....................................................................................................................................................... 59
3.3.10. ASSEMBLY OF THE CHAINS HOUSING COVER (ENGINES M245M / M281M / M191M) (125 - 150
CC)....................................................................................................................................................... 60
3 - 2
Engines M192M / M191M / M245M / M234M / M282M / M281M
SUMMARY